The Diamond T Wrecker was basicly a standard truck with a wrecker body by the Holmes .Co.It was first seen in 1941 and has been used by many armies around the world -including BRITAIN and CANADA - until long after the second world war.Purpose was; 'To lift and tow disabeled vehicles'. and it was Classitied as 'Standard'.It was delivered first with a closed Cab (969) and after 1943 an open Cab was used.(969A-969B)One in four were equipped with the 'Ánti-Aircraft-Machine-gun Mount M36'.